package net.zjitc.service.Impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import net.zjitc.dao.UserDao;
import net.zjitc.domain.User;
import net.zjitc.domain.PageResult;
import net.zjitc.service.UserService;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;
    @Override
    public Boolean add(User user){
        return userDao.insert(user)==1;
    }
    @Override
    public Boolean deleteById(Integer id) {
        return userDao.deleteById(id)==1;
    }

    @Override
    public Boolean update(User user) {
        return userDao.updateById(user)==1;
    }

    @Override
    public User findById(Integer id) {
        return userDao.selectById(id);
    }

    @Override
    public PageResult findPage(int currentPage, int pageSize, User user) {
        IPage<User> page=new Page<>(currentPage,pageSize);
        LambdaQueryWrapper<User> wrapper = new LambdaQueryWrapper<>();
        wrapper.like(Strings.isNotEmpty(user.getUsername()),User::getUsername,user.getUsername());
        wrapper.like(Strings.isNotEmpty(user.getGender()),User::getGender,user.getGender());
        wrapper.like(Strings.isNotEmpty(user.getEmail()),User::getEmail,user.getEmail());
        userDao.selectPage(page,wrapper);
        return new PageResult(page.getTotal(),page.getRecords());
    }
}
